/* ============================================================
   JBD Invoice App — Design System
   ============================================================ */
:root{
  --blue:#1362AF;
  --blue-dark:#0A2E52;
  --blue-light:#E9F3FF;
  --ink:#171B20;
  --ink-soft:#4B5563;
  --muted:#8A94A0;
  --paper:#FFFFFF;
  --mist:#F1F5F9;
  --mist-2:#E7EDF3;
  --line:#DEE5EC;
  --danger:#C0392B;
  --danger-bg:#FBEAE8;
  --success:#1E8E5A;
  --success-bg:#E8F6EF;
  --warning:#C98A1B;
  --warning-bg:#FDF3E2;
  --radius:10px;
  --radius-sm:6px;
  --shadow: 0 8px 24px rgba(10,46,82,.08);
  --shadow-sm: 0 2px 8px rgba(10,46,82,.06);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: var(--font); color:var(--ink); background:var(--mist);
  -webkit-font-smoothing:antialiased; font-size:14px;
}
a{ color:var(--blue); text-decoration:none; }
a:hover{ text-decoration:underline; }
h1,h2,h3{ margin:0 0 6px; color:var(--blue-dark); }
p{ margin:0 0 10px; }
img{ max-width:100%; }

/* ---------------- Buttons ---------------- */
.btn{
  appearance:none; border:1px solid transparent; cursor:pointer; display:inline-flex;
  align-items:center; gap:6px; justify-content:center;
  font-family:var(--font); font-size:13.5px; font-weight:700;
  padding:10px 18px; border-radius:var(--radius-sm);
  transition:transform .05s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  text-decoration:none; line-height:1.2;
}
.btn:hover{ text-decoration:none; }
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--blue); color:#fff; box-shadow:0 4px 10px rgba(19,98,175,.25); }
.btn-primary:hover{ background:#0F5296; }
.btn-outline{ background:#fff; color:var(--blue-dark); border-color:var(--line); }
.btn-outline:hover{ border-color:var(--blue); color:var(--blue); }
.btn-danger{ background:#fff; color:var(--danger); border-color:#F1C6C0; }
.btn-danger:hover{ background:var(--danger-bg); }
.btn-ghost{ background:transparent; color:var(--ink-soft); border-color:transparent; }
.btn-ghost:hover{ background:var(--mist-2); }
.btn-sm{ padding:6px 12px; font-size:12.5px; }
.btn-block{ width:100%; }
.btn[disabled]{ opacity:.5; cursor:not-allowed; }

/* ---------------- App shell / sidebar ---------------- */
.app-shell{ display:flex; min-height:100vh; }
.sidebar{
  width:246px; flex-shrink:0; background:linear-gradient(180deg, var(--blue-dark), #071F3B);
  color:#fff; position:fixed; top:0; bottom:0; left:0; z-index:60;
  display:flex; flex-direction:column; transition:transform .25s ease;
}
.sidebar .side-brand{ display:flex; align-items:center; gap:10px; padding:20px 18px; border-bottom:1px solid rgba(255,255,255,.08); }
.sidebar .side-brand img{ height:28px; filter:brightness(0) invert(1); }
.sidebar .side-brand .name{ font-weight:800; font-size:15px; letter-spacing:.2px; }
.sidebar .side-brand .name small{ display:block; font-weight:500; font-size:10.5px; color:#9FC1E5; letter-spacing:.3px; }
.sidebar nav{ flex:1; padding:14px 10px; overflow-y:auto; }
.sidebar nav a{
  display:flex; align-items:center; gap:11px; padding:11px 12px; border-radius:8px;
  color:#C9DBEC; font-weight:600; font-size:13.5px; margin-bottom:3px; text-decoration:none;
}
.sidebar nav a svg{ width:17px; height:17px; flex-shrink:0; opacity:.85; }
.sidebar nav a:hover{ background:rgba(255,255,255,.06); color:#fff; }
.sidebar nav a.active{ background:var(--blue); color:#fff; box-shadow:0 4px 10px rgba(0,0,0,.2); }
.sidebar nav a.active svg{ opacity:1; }
.sidebar .side-foot{ padding:14px 18px; border-top:1px solid rgba(255,255,255,.08); font-size:12px; color:#9FC1E5; }
.sidebar .side-foot b{ color:#fff; }

.main{ margin-left:246px; flex:1; min-width:0; display:flex; flex-direction:column; min-height:100vh; }
.topbar{
  height:64px; background:#fff; border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; padding:0 24px;
  position:sticky; top:0; z-index:40;
}
.topbar .page-title{ font-weight:800; font-size:16px; color:var(--blue-dark); }
.topbar .page-title .sub{ font-weight:500; font-size:11.5px; color:var(--muted); margin-top:2px; }
.hamburger{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.hamburger span{ display:block; width:22px; height:2px; background:var(--blue-dark); margin:4px 0; border-radius:2px; }
.topbar .user-chip{ display:flex; align-items:center; gap:10px; }
.topbar .user-chip .avatar{
  width:32px; height:32px; border-radius:50%; background:var(--blue); color:#fff;
  display:flex; align-items:center; justify-content:center; font-weight:800; font-size:13px;
}
.sidebar-overlay{ display:none; position:fixed; inset:0; background:rgba(10,20,35,.5); z-index:55; }

.content{ padding:24px; max-width:1400px; width:100%; margin:0 auto; }

@media (max-width: 980px){
  .sidebar{ transform:translateX(-100%); }
  .sidebar.open{ transform:translateX(0); }
  .main{ margin-left:0; }
  .hamburger{ display:block; }
  .sidebar-overlay.open{ display:block; }
  .content{ padding:16px; }
}

/* ---------------- Flash messages ---------------- */
.flash{ padding:12px 16px; border-radius:var(--radius-sm); margin-bottom:18px; font-size:13.5px; font-weight:600; display:flex; align-items:center; gap:8px; }
.flash.success{ background:var(--success-bg); color:#146341; }
.flash.error{ background:var(--danger-bg); color:#8E2E22; }
.flash.info{ background:var(--blue-light); color:var(--blue-dark); }

/* ---------------- Cards ---------------- */
.card{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow-sm); overflow:hidden; }
.card + .card{ margin-top:18px; }
.card-head{
  padding:14px 20px; border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap;
  background:linear-gradient(90deg, var(--mist-2), #fff 60%);
}
.card-head h2{ margin:0; font-size:14px; font-weight:800; color:var(--blue-dark); }
.card-head .desc{ font-size:12px; color:var(--muted); margin-top:2px; }
.card-body{ padding:20px; }
.card-body.pad-0{ padding:0; }

/* Stat cards */
.stat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:20px; }
@media (max-width: 980px){ .stat-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width: 560px){ .stat-grid{ grid-template-columns:1fr; } }
.stat-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px;
  box-shadow:var(--shadow-sm); position:relative; overflow:hidden;
}
.stat-card .label{ font-size:11.5px; font-weight:800; color:var(--muted); letter-spacing:.3px; }
.stat-card .value{ font-size:22px; font-weight:800; color:var(--blue-dark); margin-top:6px; }
.stat-card .sub{ font-size:11.5px; color:var(--muted); margin-top:4px; }
.stat-card .icon-chip{
  position:absolute; right:16px; top:16px; width:38px; height:38px; border-radius:10px;
  background:var(--blue-light); color:var(--blue); display:flex; align-items:center; justify-content:center;
}
.stat-card .icon-chip svg{ width:19px; height:19px; }
.stat-card.accent-blue{ border-top:3px solid var(--blue); }
.stat-card.accent-amber{ border-top:3px solid var(--warning); }
.stat-card.accent-green{ border-top:3px solid var(--success); }
.stat-card.accent-navy{ border-top:3px solid var(--blue-dark); }

/* ---------------- Forms ---------------- */
.field{ margin-bottom:16px; }
.field label{ display:block; font-size:12.5px; font-weight:700; color:var(--ink-soft); margin-bottom:6px; }
.field .req{ color:var(--danger); }
.field input[type=text], .field input[type=number], .field input[type=date],
.field input[type=email], .field input[type=password], .field input[type=tel],
.field select, .field textarea{
  width:100%; font-family:var(--font); font-size:14px; color:var(--ink);
  padding:10px 12px; border:1px solid var(--line); border-radius:var(--radius-sm); background:#fcfdfe;
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--blue); background:#fff; box-shadow:0 0 0 3px rgba(19,98,175,.12); }
.field textarea{ resize:vertical; min-height:70px; }
.field .hint{ font-size:11.5px; color:var(--muted); margin-top:5px; }
.row2{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.row3{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:14px; }
@media (max-width: 700px){ .row2, .row3{ grid-template-columns:1fr; } }
.checkbox-row{ display:flex; align-items:center; gap:10px; }
.checkbox-row input[type=checkbox]{ width:18px; height:18px; accent-color:var(--blue); }

/* ---------------- Tables ---------------- */
.table-wrap{ overflow-x:auto; }
table.data-table{ width:100%; border-collapse:collapse; }
table.data-table thead th{
  text-align:left; font-size:11.5px; font-weight:800; color:var(--muted); text-transform:uppercase; letter-spacing:.3px;
  padding:12px 20px; border-bottom:2px solid var(--line); white-space:nowrap;
}
table.data-table tbody td{ padding:14px 20px; border-bottom:1px solid var(--line); font-size:13.5px; vertical-align:middle; }
table.data-table tbody tr:hover{ background:var(--mist); }
table.data-table tbody tr:last-child td{ border-bottom:none; }
.cell-strong{ font-weight:700; color:var(--blue-dark); }
.cell-muted{ color:var(--muted); font-size:12.5px; }

@media (max-width: 800px){
  table.data-table thead{ display:none; }
  table.data-table, table.data-table tbody, table.data-table tr, table.data-table td{ display:block; width:100%; }
  table.data-table tr{ border-bottom:1px solid var(--line); padding:10px 16px; }
  table.data-table td{ display:flex; justify-content:space-between; align-items:center; gap:10px; border:none; padding:6px 0; text-align:right; }
  table.data-table td::before{ content:attr(data-label); font-weight:700; color:var(--muted); font-size:11.5px; text-align:left; }
}

/* ---------------- Badges ---------------- */
.badge{ display:inline-flex; align-items:center; gap:5px; padding:4px 11px; border-radius:20px; font-size:11.5px; font-weight:800; letter-spacing:.2px; white-space:nowrap; }
.badge::before{ content:""; width:6px; height:6px; border-radius:50%; background:currentColor; }
.badge.unpaid{ background:var(--danger-bg); color:var(--danger); }
.badge.dp{ background:var(--warning-bg); color:var(--warning); }
.badge.paid{ background:var(--success-bg); color:var(--success); }
.badge.draft{ background:var(--mist-2); color:var(--muted); }

/* ---------------- Item rows (invoice form) ---------------- */
.items{ display:flex; flex-direction:column; gap:12px; }
.item-row{ border:1px solid var(--line); border-radius:var(--radius-sm); padding:14px; background:var(--mist); position:relative; }
.item-row .item-top{ display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:10px; }
.item-row .item-bottom{ display:grid; grid-template-columns:70px 1fr 110px; gap:10px; align-items:end; }
@media (max-width:600px){ .item-row .item-top, .item-row .item-bottom{ grid-template-columns:1fr; } }
.item-row .remove{ position:absolute; top:10px; right:12px; background:none; border:none; color:var(--muted); cursor:pointer; font-size:18px; font-weight:700; line-height:1; }
.item-row .remove:hover{ color:var(--danger); }
.item-row .lineTotal{ font-weight:800; color:var(--blue-dark); font-size:14px; text-align:right; padding-top:8px; }
.add-row-btn{ border:1px dashed #B7C4D1; background:#fff; color:var(--blue); font-weight:700; font-size:13px; padding:11px; border-radius:var(--radius-sm); cursor:pointer; width:100%; }
.add-row-btn:hover{ background:var(--mist-2); }

.dp-toggle{ display:flex; align-items:center; gap:10px; padding:13px; border:1px solid var(--line); border-radius:var(--radius-sm); background:var(--mist); margin-bottom:16px; flex-wrap:wrap; }
.dp-toggle input[type=checkbox]{ width:18px; height:18px; accent-color:var(--blue); }
.dp-toggle .dp-label{ font-size:13px; font-weight:700; flex:1; min-width:180px; }
.dp-toggle .dp-label .sub{ display:block; font-size:11px; font-weight:500; color:var(--muted); margin-top:2px; }
.dp-toggle .dp-pct-wrap{ display:flex; align-items:center; gap:6px; }
.dp-toggle .dp-pct-wrap input{ width:64px; text-align:center; }
.dp-toggle.disabled .dp-pct-wrap{ opacity:.5; pointer-events:none; }

/* ---------------- Totals box ---------------- */
.totals-box{ margin-left:auto; width:100%; max-width:320px; }
.totals-box .line{ display:flex; justify-content:space-between; padding:7px 0; font-size:13.5px; color:var(--ink-soft); }
.totals-box .line.grand{ border-top:2px solid var(--blue-dark); margin-top:6px; padding-top:12px; font-size:17px; font-weight:800; color:var(--blue-dark); }

/* ---------------- Auth / installer screens ---------------- */
.auth-wrap{
  min-height:100vh; display:flex; align-items:center; justify-content:center; padding:20px;
  background: radial-gradient(circle at 20% 20%, #103F73, var(--blue-dark) 60%);
}
.auth-card{ width:100%; max-width:400px; background:#fff; border-radius:14px; box-shadow:0 20px 50px rgba(0,0,0,.35); overflow:hidden; }
.auth-card .auth-head{ background:var(--blue-dark); padding:28px 30px 22px; text-align:center; position:relative; overflow:hidden; }
.auth-card .auth-head::after{ content:""; position:absolute; right:-30px; top:-30px; width:140px; height:140px; background:var(--blue); border-radius:50%; opacity:.35; }
.auth-card .auth-head img{ height:44px; position:relative; z-index:2; filter:brightness(0) invert(1); }
.auth-card .auth-head h1{ color:#fff; font-size:16px; margin:12px 0 0; position:relative; z-index:2; }
.auth-card .auth-body{ padding:28px 30px 30px; }

.install-shell{ max-width:640px; margin:40px auto; padding:0 16px; }
.install-steps{ display:flex; gap:6px; margin-bottom:22px; }
.install-steps .step{ flex:1; height:6px; border-radius:4px; background:var(--line); }
.install-steps .step.done{ background:var(--blue); }
.req-list{ list-style:none; margin:0; padding:0; }
.req-list li{ display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px solid var(--line); font-size:13.5px; }
.req-list li:last-child{ border-bottom:none; }
.req-ok{ color:var(--success); font-weight:800; }
.req-fail{ color:var(--danger); font-weight:800; }

/* ---------------- Invoice document (view/print) ---------------- */
.invoice-shell{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; }
.invoice{ background:#fff; padding:0 0 34px; position:relative; }
.inv-header{ position:relative; overflow:hidden; background:var(--blue-dark); padding:30px 40px 46px; color:#fff; }
.inv-header::after{ content:""; position:absolute; right:0; top:0; bottom:0; width:46%; background:var(--blue); clip-path:polygon(38% 0, 100% 0, 100% 100%, 0% 100%); }
.inv-header .inner{ position:relative; z-index:2; display:flex; justify-content:space-between; align-items:flex-start; gap:20px; flex-wrap:wrap; }
.inv-header .logo-block{ display:flex; align-items:center; gap:14px; }
.inv-header .logo-block img{ height:52px; width:auto; }
.inv-header .biz-name{ font-size:12px; letter-spacing:.6px; color:#BFD4EA; font-weight:700; margin-top:4px; }
.inv-header .doc-title{ text-align:right; }
.inv-header .doc-title h1{ margin:0; font-size:30px; font-weight:800; letter-spacing:.5px; color:#fff; }
.inv-header .doc-title .inv-no{ font-size:13px; color:#DCE9F6; margin-top:4px; font-weight:600; }
.status-badge{ display:inline-block; padding:4px 12px; border-radius:20px; background:#E9F3FF; color:var(--blue-dark); font-size:11px; font-weight:800; letter-spacing:.3px; margin-top:8px; }

.inv-meta{ display:flex; justify-content:space-between; gap:24px; padding:22px 40px 0; margin-top:-18px; position:relative; z-index:3; flex-wrap:wrap; }
.meta-card{ background:#fff; border:1px solid var(--line); border-radius:6px; padding:14px 16px; flex:1; min-width:150px; box-shadow:0 6px 14px rgba(10,46,82,.06); }
.meta-card .label{ font-size:10.5px; font-weight:800; color:var(--muted); margin-bottom:6px; }
.meta-card .val{ font-size:14px; font-weight:700; color:var(--ink); }
.meta-card .val.small{ font-size:12.5px; font-weight:600; color:var(--ink-soft); }

.inv-body{ padding:26px 40px 0; }
table.items-table{ width:100%; border-collapse:collapse; margin-top:10px; }
table.items-table thead th{ text-align:left; font-size:11px; font-weight:800; color:#fff; background:var(--blue); padding:10px 12px; }
table.items-table thead th:last-child, table.items-table tbody td:last-child{ text-align:right; }
table.items-table thead th:nth-child(2), table.items-table tbody td:nth-child(2){ text-align:center; width:60px; }
table.items-table tbody td{ padding:12px; font-size:13.5px; border-bottom:1px solid var(--line); vertical-align:top; }
table.items-table tbody tr:nth-child(even){ background:#FAFBFC; }
table.items-table td .svc{ font-weight:700; color:var(--blue-dark); }
table.items-table td .desc{ color:var(--ink-soft); font-size:12.5px; margin-top:2px; }
.addon-tag{ display:inline-block; font-size:9.5px; font-weight:800; letter-spacing:.3px; color:var(--blue); background:#E9F3FF; border-radius:20px; padding:2px 7px; margin-left:6px; vertical-align:middle; }

.totals-wrap{ display:flex; justify-content:flex-end; padding:18px 40px 0; }
.bottom-grid{ display:grid; grid-template-columns:1fr 1fr; gap:24px; padding:30px 40px 0; }
@media (max-width:700px){ .bottom-grid{ grid-template-columns:1fr; } }
.box-title{ font-size:11px; font-weight:800; color:var(--muted); margin-bottom:8px; letter-spacing:.3px; }
.pay-card{ border:1px solid var(--line); border-radius:6px; padding:14px 16px; background:var(--mist); }
.pay-card .bank{ font-weight:800; color:var(--blue-dark); font-size:14px; }
.pay-card .acc{ font-size:15px; font-weight:700; letter-spacing:.5px; margin-top:4px; }
.pay-card .holder{ font-size:12.5px; color:var(--ink-soft); margin-top:2px; }
.notes-card{ font-size:12.5px; color:var(--ink-soft); line-height:1.55; white-space:pre-wrap; }

.inv-footer{ margin:30px 40px 0; padding-top:18px; border-top:1px solid var(--line); display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:16px; }
.inv-footer .thanks{ font-size:12.5px; color:var(--ink-soft); font-style:italic; max-width:260px; }
.inv-footer .thanks .tagline{ display:block; color:var(--blue-dark); font-weight:800; font-size:12.5px; margin-bottom:6px; font-style:normal; }
.inv-footer .extra-note{ font-style:normal; color:var(--muted); font-size:11.5px; margin-top:6px; }
.contact-card{ display:flex; flex-direction:column; gap:10px; }
.contact-row{ display:flex; align-items:center; gap:10px; justify-content:flex-end; }
.contact-row .c-icon{ width:26px; height:26px; border-radius:50%; flex-shrink:0; background:var(--blue); color:#fff; display:flex; align-items:center; justify-content:center; }
.contact-row .c-icon svg{ width:14px; height:14px; }
.contact-row .c-text{ display:flex; flex-direction:column; line-height:1.3; text-align:right; }
.contact-row .c-label{ font-size:10px; font-weight:800; letter-spacing:.4px; color:var(--muted); }
.contact-row .c-value{ font-size:13px; font-weight:700; color:var(--blue-dark); }

.action-bar{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:18px; }

@media print{
  .no-print{ display:none !important; }
  body{ background:#fff; }
  .main{ margin-left:0; }
  .content{ padding:0; max-width:none; }
  .invoice-shell{ border:none; border-radius:0; }
  @page{ margin:0; size:A4; }
}